• Makefile fixes (#23, @liuxueyang, @RhodiumToad)
• Use PG_MODULE_MAGIC_EXT in PostgreSQL 18 and later (#26, @jeltz)
• Support PostgreSQL 19 (#27, @CyberDem0n)
• Fully qualify format calls in update scripts (#28, @svenklemm)
• Include comment in extension control file (#24, @adolsalamanca)